DC 12V 24V High-torque Drive Pmdc Worm Geared Motor with Gearbox Gear Reducer

This type is miniature Worm Gear DC Motor, which can change shaft rotation direction while the wiring positive and negative be changed.It's also have addition two characteristics: 1, With self-locking, the output shaft can't rotation when switch off, that is self-locking.

eBay